I think you are mixing up the tax bracket with the total income tax you payed. With 36k you should pay approximately 25%. See https://www.berekenhet.nl/inkomen/

I think you are mixing up the tax bracket with the total income tax you payed. With 36k you should pay approximately 25%. See https://www.berekenhet.nl/inkomen/belasting-box1-verschil.html https://www.berekenhet.nl/inkomen/belasting-box1-verschil.ht...